Brother HL-7050 Service Manual page 18

CHAPTER 1 GENERAL
3. SPECIFICATIONS
3.1 Printing
Print method
Laser
Resolution
Print quality
Print speed
Warm-up
First print
Consumables
*NOTE:
Print speed varies depending on the paper size or print paper type. For details, refer to
APPENDIX 18 'PRINT SPEEDS WITH VARIOUS
Electrophotography (single-component dry toner)
Semiconductor laser
Wave length: 788 nm
Output: 15mW max
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1200dpi (for Windows
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Windows XP and Mac OS)
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600 dpi (for Windows
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Windows XP, DOS and Mac OS)
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300 dpi (for Windows
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Windows XP and Mac OS)
Normal printing mode
Economy printing mode (up to 20% toner saving)
Up to 28 ppm*
(When loading A4 )
Up to 30 ppm*
(When loading Letter-size paper.)
Max. 20 seconds at 23 C (68 F)
Approx. 11 seconds
(When loading A4 or Letter-size paper using face down print delivery
from the paper tray.)
Toner cartridge
Life expectancy: 12,000 single-sided pages/cartridge
Drum unit
Life expectancy: 40,000 single-sided pages/unit
(When printing A4 or Letter-size paper with the print density set at
level 0 with about 5% print coverage)
1-4
95/98/Me, WindowsNT
95/98/Me, WindowsNT
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95/98/Me, WindowsNT
SETTINGS'.
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4.0, Windows 2000
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4.0, Windows 2000,
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4.0, Windows 2000,